• The
VM-A reactor was the
nuclear fission reactor used in pairs to power the
Soviet Navy's Project 658 and 701 (), Project 659 and 675 (), and Project 627 Кит () first-generation submarines. It was a
pressurized water reactor (PWR), using 21%
enriched uranium-235 fuel to produce of power. This is the reactor that powered . • The
VM-4 reactor is a nuclear fission reactor using 20% enriched uranium-235 fuel to produce of power. It is used: • singly to power the Project 670 Скат and Чайка-Б () submarines • in pairs to power the Project 671 Ёрш and Щука (), Project 667 Мурена, Кальмар, and Дельфин (), and Project 667 Навага, Налим, Груша, and Андромеда () second-generation submarines. • The
VM-5 reactor was the nuclear fission reactor used in a pair to power the Soviet Navy's Project 661 Анчар - Anchar () second-generation submarine
K-222. It was a pressurized water reactor (PWR) using enriched uranium-235 fuel to produce of power. ==References==